Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsTSAO Baltimore Bronze Torsk-Diver Pro Polar White

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition at true scale

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

TSAO Baltimore Bronze Torsk-Diver Pro Polar White at true scale

Bronze Torsk-Diver Pro Polar White

Diameter

44mm

43mm

Lug-to-Lug

49.3mm

lowest

50mm

Thickness

13mm

lowest

13.6mm

Water Resistance

200m

200m

Power Reserve

50h

highest

40h

MSRP

$3,300

$899

lowest

Movement

Seiko 8L35

TSAO Baltimore MD-1

Case

5 specs
Diameter
44mm
43mm
Thickness
13mm
13.6mm
Lug-to-Lug
49.3mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
Bronze

Crystal & Dial

4 specs
Crystal Shape
Curved
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
n/a
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
Seiko 8L35
TSAO Baltimore MD-1
Power Reserve
50h
40h
Jewels
26
0

Pricing

1 specs
MSRP
$3,300
$899
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive dial with a jewel-toned teal color and rippling-water pattern, and its smooth bezel action. Some owners find it a refined evolution of previous models with a comfortable case and bracelet. However, a significant number of owners express disappointment with the accuracy of the 6R movement at its price point, with some noting it runs slow. The steep rehaut and marker size make the 24-hour numbers difficult to read, and the case design is described as making the watch feel top-heavy. On balance, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined design, despite widespread concerns about the movement's accuracy for the price.

TSAO Baltimore Bronze Torsk-Diver Pro Polar White

The TSAO Baltimore Bronze Torsk-Diver Pro Polar White is widely praised for its excellent lume and attractive 3-D dial appearance, with owners also noting its awesome overall look and excellent accuracy. Reviewers highlight its good value for the $900 price point. Some owners find the crown to be small, and one reviewer described the bezel tension as somewhat tight. The watch features a lumed sapphire bezel insert and wears well for its 43mm size due to its arcing case profile and 13.6mm thickness. Overall, owners and reviewers rate the TSAO Baltimore Bronze Torsk-Diver Pro Polar White highly for its strong value and appealing aesthetics.

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